How to properly remove and install the Catalytic Converter and center Muffler in V8 engine on BMW X5?

With the exhaust system fully cooled down, raise and support the car for access to the exhaust system. Separate the rear mufflers from the center muffler, then remove the center muffler hanger mounting nuts. Place a tall jack stand under the center muffler to support the exhaust system, and detach the right and left oxygen sensor electrical connectors. Remove the right and left catalyst mounting bolts, and lower the center muffler and catalysts, ensuring assistance is available due to the weight of the exhaust system. If equipped with a one-piece center muffler and catalysts, measure the length of the pipe section on the replacement catalytic converter and transfer the measured distance to the installed catalytic converter prior to cutting. Measure the length of exhaust pipe sections on the replacement center muffler and transfer the measured distance to the installed exhaust system before cutting. Use an exhaust pipe cutter to cut the pipe(s) and a file to deburr the cut pipe end(s). Note that the pipes on the center muffler are welded together, so grind the old weld smooth if necessary before refitting. Assemble the catalyst(s) to the center muffler using band clamps, and remove the oxygen sensor with a crow-foot wrench, ensuring to coat the sensor threads with anti-seize paste during reinstallation. The installation follows the reverse of removal, using new gaskets and hardware while coating the hardware threads with anti-seize paste. Ensure there is at least 20 mm (3/4 in) clearance between the exhaust system and vehicle underbody at every point, and loosely install the exhaust system band clamps, mounting hardware, and hangers before tightening fasteners to their final torque.

Genuine BMW X5 Catalytic Converter

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48 Catalytic Converters found

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BMW X5 Exchange Catalytic Converter Close To Engine
Part Number: 18327643427
$1423.90 MSRP: $1813.61
You Save: $389.71 (22%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Catalytic Converter, Preconverter
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2014-2018 BMW X5 | sDrive35i(F15), xDrive35i(F15)
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BMW X5 Exchange Catalytic Converter Close To Engine
Part Number: 18407645241
$1423.90 MSRP: $1813.61
You Save: $389.71 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Catalytic Converter, Preconverter
- Position: Rear
- Replaces: 18-30-7-594-923
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2011-2013 BMW X5 | xDrive35i(E70)
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BMW X5 Converter Pipe
Part Number: 18308509753
$1510.53 MSRP: $1926.95
You Save: $416.42 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exchange Exhaust Pipe Catalyst; Converter & Pipe, Intermediate Pipe
- Replaces: 18-30-7-808-022
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2009-2013 BMW X5 | xDrive35d(E70)
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BMW X5 Diesel Particulate Filter
Part Number: 18307804112
$3702.49 MSRP: $4834.44
You Save: $1131.95 (24%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Exchange-Diesel Particulate Filter
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2009-2013 BMW X5 | xDrive35d(E70)
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BMW X5 Exchange Catalytic Converter Close To Engine
Part Number: 18327645441
$1493.68 MSRP: $1899.95
You Save: $406.27 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Catalytic Converter, Preconverter
- Position: Driver Side
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2014-2018 BMW X5 | xDrive50i(F15)
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BMW X5 Exchange Catalytic Converter Close To Engine
Part Number: 18327645440
$1493.68 MSRP: $1899.95
You Save: $406.27 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Catalytic Converter, Preconverter
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2014-2018 BMW X5 | xDrive50i(F15)
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BMW X5 Catalytic Converter
Part Number: 18308572487
$1738.91 MSRP: $2266.98
You Save: $528.07 (24%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exchange Exhaust Pipe Catalyst Cylinder; Converter & Pipe, Exhaust Pipe
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2014-2018 BMW X5 | xDrive35d(F15)
View related parts
BMW X5 Exchange Catalytic Converter Close To Engine
Part Number: 18327645665
$1361.67 MSRP: $1727.23
You Save: $365.56 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Catalytic Converter, Preconverter
- Replaces: 18-30-7-629-248
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2016-2018 BMW X5 | xDrive40e(F15)
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BMW X5 Exchange Catalytic Converter Close To Engine
Part Number: 18327645232
$1493.68 MSRP: $1899.95
You Save: $406.27 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Catalytic Converter, Preconverter
- Position: Passenger Side
- Replaces: 18-32-7-618-674
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2011-2013 BMW X5 | xDrive50i(E70)
View related parts
BMW X5 Exhaust Pipe
Part Number: 18308571007
$3288.17 MSRP: $4292.33
You Save: $1004.16 (24%)
ADD TO CART
Product Specifications
- Other Name: Exchange-Diesel Particulate Filter; Filter
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2014-2018 BMW X5 | xDrive35d(F15)
View related parts
BMW X5 Exchange Exhaust Manifold With Catalyst
Part Number: 18407514498
$2463.61 MSRP: $3263.98
You Save: $800.37 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exch. exhaust manifold with catalyst; Exhaust Manifold, Manifold
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2006 BMW X5 | 3.0i(E53)
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BMW X5 Exchange Exhaust Manifold With Catalyst
Part Number: 18407558769
$1289.05 MSRP: $1632.21
You Save: $343.16 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exch. exhaust manifold with catalyst; Exhaust Manifold
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2007-2010 BMW X5 | 3.0si(E70), xDrive30i(E70)
View related parts
BMW X5 Exchange Catalytic Converter Close To Engine
Part Number: 18327645234
$1493.68 MSRP: $1899.95
You Save: $406.27 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Position: Passenger Side
- Replaces: 18-30-7-576-993
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2011-2013 BMW X5 | xDrive50i(E70)
View related parts
BMW X5 EXCH CATALYTIC CONVERTER CLO
Part Number: 18328681200
$1496.70 MSRP: $1899.95
You Save: $403.25 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2019-2023 BMW X5 | 8 Cyl 4.4 L GAS, M50i(G05), xDrive50i(G05)
View related parts
BMW X5 Exchange Exhaust Manifold With Catalyst
Part Number: 18407558770
$1292.07 MSRP: $1632.21
You Save: $340.14 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exch. exhaust manifold with catalyst; Exhaust Manifold
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2007-2010 BMW X5 | 3.0si(E70), xDrive30i(E70)
View related parts
BMW X5 Exchange Exhaust Manifold With Catalyst
Part Number: 18407568013
$2257.66 MSRP: $2895.61
You Save: $637.95 (23%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exch. exhaust manifold with catalyst; Exhaust Manifold
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2007-2010 BMW X5 | 4.8i(E70), xDrive48i(E70)
View related parts
BMW X5 Catalytic Converter
Part Number: 18307535298
$1467.99 MSRP: $1866.35
You Save: $398.36 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exchange Exhaust Pipe Catalyst Cylinder; Front Pipe
- Position: Passenger Side
- Replaces: 18-30-7-529-288
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2004-2006 BMW X5 | 4.4i(E53)
View related parts
BMW X5 EXCH CATALYT. CONV. CLOSE TO E
Part Number: 18328090319
$1787.13 MSRP: $2279.95
You Save: $492.82 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: EXCH CATALYT.CONV.CLOSE TO E; Catalytic Converter, Converter & Pipe
- Position: Driver Side
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021-2023 BMW X5 | 8 Cyl 4.4 L GAS
View related parts
BMW X5 RP KATALYSATOR MOTORNAH UNTE
Part Number: 18327885187
$1787.13 MSRP: $2279.95
You Save: $492.82 (22%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Position: Driver Side
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2024-2025 BMW X5 | 8 Cyl 4.4 L MILD HYBRID EV-GAS (MHEV)
View related parts
BMW X5 Exchange Exhaust Manifold With Catalyst
Part Number: 18407514499
$2463.61 MSRP: $3263.98
You Save: $800.37 (25%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exch. exhaust manifold with catalyst; Exhaust Manifold, Manifold
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2001-2006 BMW X5 | 3.0i(E53)

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1-20 of 48 Results

BMW X5 Catalytic Converter

BMW X5 Catalytic Converter minimizes the creation of harmful exhaust. It changes carbon monoxide, unburned hydrocarbons, and nitrogen oxides into water vapor, carbon dioxide, and nitrogen with the use of precious metal catalysts. These are made on a honeycomb substrate. The early versions fitted to the X5 made use of a ceramic bead design. This caused the gases to flow slowly through the Catalytic Converter. Later models upgraded to a honeycomb core, resulting in a quicker reaction. This gave better overall efficiency. Currently, each Catalytic Converter is encased in a stainless or aluminized steel shell that protects the core beneath the vehicle and assists the BMW in surviving road debris strikes. Extreme heat or contamination caused by misfiring, overly rich fuel, coolant leaks, or burning oil can cause melting or coating of the substrate. This causes clogging of the Catalytic Converter and an exhaust restriction that activates the check engine light. The X5's unique sounds, lack of performance, or failed smog test alert the driver that one of its Catalytic Converters is faulty and must be replaced to keep this BMW running clean, efficient, and within compliance. Routine checks keep the BMW X5 clear of emissions issues and ensure the proper functioning of the Catalytic Converter.

If you are looking for OEM BMW X5 Catalytic Converter, we highly recommend to shop with us. Not only do we offer budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW X5 Catalytic Converter that come backed by the manufacturer's warranty.

BMW X5 Catalytic Converter Parts Questions & Experts Answers

Catalytic Converter
18307516725
Q: How to properly remove and install the Catalytic Converter and center Muffler in V8 engine on BMW X5?
A:
With the exhaust system fully cooled down, raise and support the car for access to the exhaust system. Separate the rear mufflers from the center muffler, then remove the center muffler hanger mounting nuts. Place a tall jack stand under the center muffler to support the exhaust system, and detach the right and left Oxygen Sensor electrical connectors. Remove the right and left catalyst mounting bolts, and lower the center muffler and catalysts, ensuring assistance is available due to the weight of the exhaust system. If equipped with a one-piece center muffler and catalysts, measure the length of the pipe section on the replacement catalytic converter and transfer the measured distance to the installed catalytic converter prior to cutting. Measure the length of exhaust pipe sections on the replacement center muffler and transfer the measured distance to the installed exhaust system before cutting. Use an exhaust pipe cutter to cut the pipe(s) and a file to deburr the cut pipe end(s). Note that the pipes on the center muffler are welded together, so grind the old weld smooth if necessary before refitting. Assemble the catalyst(s) to the center muffler using band clamps, and remove the oxygen sensor with a crow-foot wrench, ensuring to coat the sensor threads with anti-seize paste during reinstallation. The installation follows the reverse of removal, using new gaskets and hardware while coating the hardware threads with anti-seize paste. Ensure there is at least 20 mm (3/4 in) clearance between the exhaust system and vehicle underbody at every point, and loosely install the exhaust system band clamps, mounting hardware, and hangers before tightening fasteners to their final torque.